cvd/vector_image_ref.h

/*                       
    This file is part of the CVD Library.

    Copyright (C) 2005 The Authors

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 
    51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/
#ifndef CVD_VECTOR_IMAGE_REF_H
#define CVD_VECTOR_IMAGE_REF_H

#include <TooN/TooN.h>
#include <cvd/image_ref.h>

namespace CVD
{
    inline TooN::Vector<2> vec(const ImageRef& ir)
    {
        TooN::Vector<2> r;
        r[0] = ir.x;
        r[1] = ir.y;
        return r;
    }

    inline ImageRef ir(const TooN::Vector<2>& v)
    {
        return ImageRef((int)v[0], (int)v[1]);
    }

    inline ImageRef ir_rounded(const TooN::Vector<2>& v)
    {
        return ImageRef(
      static_cast<int>(v[0] > 0.0 ? v[0] + 0.5 : v[0] - 0.5),
      static_cast<int>(v[1] > 0.0 ? v[1] + 0.5 : v[1] - 0.5));
    }

    inline ImageRef ir_rescale_rounded(const ImageRef &v, double rescaling_factor)
    {
      return ir_rounded(vec(v) * rescaling_factor);
    }

}


#endif